The SainSmart 15th Anniversary Sale runs from August 1–31, 2026 (PDT).

• Surprise Box: August 1–31
• Member Early Access Sale: August 8–10
• General Offer: August 12–23
• Flash Sale: August 17–20
• $9.99 Deals: August 21–31
• Spend & Save: August 24–31

All promotions are available while supplies last.

The highest qualifying Spend & Save discount will be applied automatically at checkout:

• Spend $200: Save $40
• Spend $500: Save $100
• Spend $1,000: Save $200
• Spend $2,000: Save $500
• No discount code is required.
• Only one Spend & Save tier may be applied per order.
• Spend & Save, Flash Sale, and General Offer discounts cannot be combined.
• Eligible Gift Card, Cashback, and Double Points rewards may be earned together.

You must register and sign in before checkout to receive member rewards. New members can participate immediately after registration.

• $10 Gift Card: Earn one for each qualifying order of $200 or more, based on the total order amount, including taxes and shipping.
• Gift Card delivery: The Gift Card will be issued within 48 hours and can be used on a future order.
• 5% Cashback: Calculated from the total order amount with no maximum limit.
• Cashback delivery: Cashback will be issued 30 days after the order is delivered.
• Double Points: Available on eligible orders, including Surprise Boxes and Flash Sale products.
• Points delivery: Points will be credited automatically during the following week.
• Gift Card purchases do not earn Double Points.

The Surprise Box is available exclusively to registered SainSmart members.

• Members only: You must sign in or create an account before purchasing.
• Entry eligibility: Every Surprise Box purchased while signed in provides one Grand Prize Draw entry.
• Purchase limit: There is no purchase limit. Each additional box provides one additional entry.
• 100 boxes sold: Unlocks one Kortek 2.5W + Infrared Laser Module Bundle.
• 150 boxes sold: Unlocks one additional Kortek 5W + Infrared Laser Module Bundle.
• 250 boxes sold: Unlocks one additional Kortek 10W + Infrared Laser Module Bundle.
• Draw timing: Each Grand Prize Draw will take place after its sales milestone is reached.
• Winner notification: Winners will be contacted through the email address associated with their member account or order.
• Box contents: The item inside will only be revealed after the Surprise Box is delivered and opened.
• Returns: Surprise Boxes are final sale and cannot be returned or exchanged because of personal preference, duplicate items, or unmet expectations.
• Verified product defects, shipping damage, and other quality issues remain eligible for customer support.

• U.S. free shipping: Available on eligible orders over $50.
• International orders: Product availability and shipping options depend on the destination and applicable shipping profile. Please check our Shipping Profiles for more information.
• Processing time: Most anniversary orders are expected to ship within 1–7 business days.
• Returns and warranty: Sale products remain covered by SainSmart’s standard return and warranty policies unless product-specific terms are displayed.
• Surprise Boxes: Surprise Boxes are final sale and cannot be returned or exchanged due to personal preference, duplicate items, or unmet expectations.
• Quality issues: For verified defects, shipping damage, or other product quality issues, please contact support@sainsmart.com.